Sound Level Calibrator Calibration (Factory & DAkkS)
Verification of sound level calibrators of all brands (Brüel & Kjær, NTi, Norsonic, Svantek, Center, Bedrock) for SPL (94 / 114 dB), frequency (1,000 Hz), and distortion (THD).
- For all Class 1 and Class 2 acoustic calibrators (1/2 inch and 1 inch)
- Available as in-house ISO 9001 factory calibration or accredited DAkkS calibration
- Exact measurement of sound pressure level, frequency stability, and THD per IEC 60942
Available Versions & Services
Current prices from Dresden stock / lab
Calibration Service
In-house verification of level, frequency, and THD incl. traceable factory calibration certificate.
DAKKS Kalibrierung für Schallpegelkalibratoren und Pistonphone
Accredited DAkkS calibration per DIN EN ISO/IEC 17025 for sound calibrators and pistonphones.
Sound level calibrator Center 326 repair service
Repair and adjustment service for out-of-spec or defective Center 326 and identical calibrators.
3-Step Procedure
1. Choose Calibration Type
Select either our ISO 9001 factory calibration (S101) or accredited DAkkS calibration (DAKKS-CAL).
2. Ship Calibrator
Send your calibrator securely packaged to our Dresden laboratory.
3. Certificate & Return
Receive your calibrator back with its new test certificate and calibration label.
What We Measure During Sound Calibrator Verification per IEC 60942
Click to expand technical details and standard references
What We Measure During Sound Calibrator Verification per IEC 60942
Click to expand technical details and standard references
A sound level calibrator is the reference standard of your entire measurement chain. If the calibrator drifts by 1.5 dB, you transfer that exact error onto your sound level meter during every field check. According to IEC 60942, sound pressure level tolerances are strictly limited for Class 1 and Class 2 devices.
In our Dresden laboratory, we verify not only the acoustic output at 94.0 dB (1 Pa) and 114.0 dB (10 Pa), but also measure exact frequency stability (1,000 Hz) and total harmonic distortion (THD) on our Audio Precision APx555. For out-of-spec Center 326 units, we also offer direct internal feedback loop readjustment (Art. 7002RS).
Declaration of Metrological Traceability & Test Equipment Monitoring
Note on Division of Services (Factory vs. DAkkS Calibration): All traceable factory calibrations are performed directly in-house at our Dresden laboratory following the cascaded hierarchy documented below. Whenever an accredited DAkkS calibration per DIN EN ISO/IEC 17025 is commissioned for regulatory purposes, it is executed through our external DAkkS-accredited partner laboratories.
How we calibrate each individual ECM8000 simultaneously
No guesswork, no sequential swapping: Every capsule is calibrated simultaneously inside our symmetric Spectra SQ-4.2 pressure chamber against a traceable €50,000+ Class-1 reference chain. Click components for technical details.